The actual temperature was -46°F, basically meaning that an exposed object will chill to -46°F as fast as if the outdoor temperature was -108°F in still air.

But nothing ever reaches far below the -46°F actually.

It just gets there real quick because the wind removes so much heat so much faster.

If this is true this is the best explanation of wind chill I have ever heard.

As far as I know, it is true. I had the same response when I first learned this.

Goes to show there are many ways of explaining something, and some ways just click for people and some do not.

- "As weather experts pointed out, Mount Washington found itself in the stratosphere Friday night as the result of a lobe of the polar vortex that barreled south. The atmosphere becomes more compressed as it cools, meaning that the boundary dividing its two lowest layers, the troposphere and the stratosphere, known as the tropopause, will sink in altitude."

Lots of information on wind chill here:

https://www.canada.ca/en/environment-climate-change/services...

Wind chill != temperature.